8(-a-1)=-4(7a-3)

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Solution for 8(-a-1)=-4(7a-3) equation:


Simplifying
8(-1a + -1) = -4(7a + -3)

Reorder the terms:
8(-1 + -1a) = -4(7a + -3)
(-1 * 8 + -1a * 8) = -4(7a + -3)
(-8 + -8a) = -4(7a + -3)

Reorder the terms:
-8 + -8a = -4(-3 + 7a)
-8 + -8a = (-3 * -4 + 7a * -4)
-8 + -8a = (12 + -28a)

Solving
-8 + -8a = 12 + -28a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '28a' to each side of the equation.
-8 + -8a + 28a = 12 + -28a + 28a

Combine like terms: -8a + 28a = 20a
-8 + 20a = 12 + -28a + 28a

Combine like terms: -28a + 28a = 0
-8 + 20a = 12 + 0
-8 + 20a = 12

Add '8' to each side of the equation.
-8 + 8 + 20a = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 20a = 12 + 8
20a = 12 + 8

Combine like terms: 12 + 8 = 20
20a = 20

Divide each side by '20'.
a = 1

Simplifying
a = 1

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